lapvsluxWhich spelling fits?

Which to use

“lap” and “lux” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#40,923
“lap” frequency rank
#23,482
“lux” frequency rank
64405
confusion score

Side-by-Side Comparison

Feature lap lux
Definition Imita un chapoteo. Unidad derivada del Sistema Internacional de Unidades para la iluminancia o nivel de iluminación, equivalente a un lumen por metro cuadrado.

Where the eye mixes lap and lux

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
lap
3 ch
lux

Visual trap between lap and lux

A purely visual mix-up. lap ([ˈlap]) and lux ([ˈluks]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 64405, derived from the frequency rank of both members and their visual similarity.

lap is recorded at frequency rank #40,923, classified as anoun, pronounced [ˈlap]. lux is at rank #23,482, tagged as anoun, pronounced [ˈluks].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 64405, this pair ranks #45,709 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of lap vs lux

Shared letters: l. Private to "lap": ap. Private to "lux": ux.

"lap" · 3 letters · shape CVC  ·  "lux" · 3 letters · shape CVC

Frequently Asked Questions

Do "lap" and "lux" mean the same thing in a sentence?
No. They are said differently ([ˈlap] versus [ˈluks]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lap" or "lux"?
"lux" is the more common of the two: it sits at frequency rank #23,482 in our Spanish list, against #40,923 for "lap". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "lap" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lux" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #45,709 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "lap" and "lux" also get mixed up with nearby pairs, the highest-scored neighbour is "lac vs lap". Nearby pair

Confusion rank #45,709 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list